Yeah, i forgot about speed controllers. The only problem with that is that hefty price tag! A friend and I have a $200 budget to make a 4wd (independent motors), RC bot. It has to be fast and strong (able to navigate through a thick field). Could I build a speed controller like that?

Yeah, i forgot about speed controllers. The only problem with that is that hefty price tag! A friend and I have a $200 budget to make a 4wd (independent motors), RC bot. It has to be fast and strong (able to navigate through a thick field). Could I build a speed controller like that?